[wxWidgets.git] / src / html / htmlwin.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        htmlwin.cpp
// Purpose:     wxHtmlWindow class for parsing & displaying HTML (implementation)
// Author:      Vaclav Slavik
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
#pragma implementation
#endif

#include "wx/wxprec.h"

#include "wx/defs.h"
#if wxUSE_HTML

#ifdef __BORDLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
#include "wx/wx.h"
#endif

#include "wx/html/htmlwin.h"
#include "wx/html/forcelnk.h"


//-----------------------------------------------------------------------------
// wxHtmlWindow
//-----------------------------------------------------------------------------


#include "wx/arrimpl.cpp"
WX_DEFINE_OBJARRAY(HtmlHistoryArray)


wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
                long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL | wxHSCROLL, name)
{
    m_tmpMouseMoved = FALSE;
    m_tmpLastLink = NULL;
    m_tmpCanDrawLocks = 0;
    m_FS = new wxFileSystem();
    m_RelatedStatusBar = -1;
    m_RelatedFrame = NULL;
    m_TitleFormat = "%s";
    m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
    m_Cell = NULL;
    m_Parser = new wxHtmlWinParser(this);
    m_Parser -> SetFS(m_FS);
    SetBorders(10);
    m_HistoryPos = -1;
    m_HistoryOn = TRUE;
    m_Style = style;
    SetPage("<html><body></body></html>");
}


wxHtmlWindow::~wxHtmlWindow()
{
    HistoryClear();

    if (m_Cell) delete m_Cell;

    delete m_Parser;
    delete m_FS;
}


void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
{
    m_RelatedFrame = frame;
    m_TitleFormat = format;
}


void wxHtmlWindow::SetRelatedStatusBar(int bar)
{
    m_RelatedStatusBar = bar;
}


void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
{
    wxString op = m_OpenedPage;

    m_Parser -> SetFonts(normal_face, fixed_face, sizes);
    SetPage(wxT("<html><body></body></html>")); // fonts changed => contents invalid
    if (!op.IsEmpty()) LoadPage(op);
}


bool wxHtmlWindow::SetPage(const wxString& source)
{
    wxClientDC *dc = new wxClientDC(this);

    dc -> SetMapMode(wxMM_TEXT);
    SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
    m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
    m_Parser -> SetDC(dc);
    if (m_Cell) {
        delete m_Cell;
        m_Cell = NULL;
    }
    m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
    delete dc;
    m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
    m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
    CreateLayout();
    if (m_tmpCanDrawLocks == 0) Refresh();
    return TRUE;
}


bool wxHtmlWindow::LoadPage(const wxString& location)
{
    wxFSFile *f;
    bool rt_val;

    SetCursor(*wxHOURGLASS_CURSOR);
    wxYield();

    m_tmpCanDrawLocks++;
    if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
        int x, y;
        ViewStart(&x, &y);
        m_History[m_HistoryPos].SetPos(y);
    }

    if (location[0] == '#') { // local anchor
        wxString anch = location.Mid(1) /*1 to end*/;
        m_tmpCanDrawLocks--;
        rt_val = ScrollToAnchor(anch);
    }

    else {
        // load&display it:
        if (m_RelatedStatusBar != -1) {
            m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
            Refresh();
        }

        f = m_FS -> OpenFile(location);
        if (f == NULL) {
            wxString err;

            err.Printf(_("Unable to open requested location :\n\n%s"), WXSTRINGCAST location);
            m_tmpCanDrawLocks--;
            Refresh();
            wxMessageBox(err, "Error");

            SetCursor(*wxSTANDARD_CURSOR);
            return FALSE;
        }

        else {
            wxNode *node;
            wxString src = wxEmptyString;

            if (m_RelatedStatusBar != -1) {
                wxString msg = _("Loading : ") + location;
                m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
                Refresh();
            }

            node = m_Filters.GetFirst();
            while (node){
                wxHtmlFilter *h = (wxHtmlFilter*) node -> GetData();
                if (h -> CanRead(*f)) {
                    src = h -> ReadFile(*f);
                    break;
                }
                node = node -> GetNext();
            }
            if (src == wxEmptyString) {
                if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
                src = m_DefaultFilter -> ReadFile(*f);
            }

            m_FS -> ChangePathTo(f -> GetLocation());
            rt_val = SetPage(src);
            m_OpenedPage = f -> GetLocation();
            if (f -> GetAnchor() != wxEmptyString) {
//                m_tmpCanDrawLocks--;
                ScrollToAnchor(f -> GetAnchor());
//                m_tmpCanDrawLocks++;
            }

            delete f;

            if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
        }
    }

    if (m_HistoryOn) { // add this page to history there:
        int c = m_History.GetCount() - (m_HistoryPos + 1);

        m_HistoryPos++;
        for (int i = 0; i < c; i++)
            m_History.Remove(m_HistoryPos);
        m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
    }

    SetCursor(*wxSTANDARD_CURSOR);

    wxYield();
    m_tmpCanDrawLocks--;
    Refresh();
    return rt_val;
}


bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
{
    const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
    if (!c) return FALSE;
    else {
        int y;

        for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
        Scroll(-1, y / wxHTML_SCROLL_STEP);
        m_OpenedAnchor = anchor;
        return TRUE;
    }
}


void wxHtmlWindow::OnSetTitle(const wxString& title)
{
    if (m_RelatedFrame) {
        wxString tit;
        tit.Printf(m_TitleFormat, title.c_str());
        m_RelatedFrame -> SetTitle(tit);
    }
    m_OpenedPageTitle = title;
}


void wxHtmlWindow::CreateLayout()
{
    int ClientWidth, ClientHeight;

    if (!m_Cell) return;

    if (m_Style == wxHW_SCROLLBAR_NEVER) {
        SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
        GetClientSize(&ClientWidth, &ClientHeight);
        m_Cell -> Layout(ClientWidth);
    }

    else {
        GetClientSize(&ClientWidth, &ClientHeight);
#ifndef __WXMSW__
        // VS : this looks extremely ugly under windoze, better fix needed!
        SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, ClientHeight * 2); // always on
#endif
        GetClientSize(&ClientWidth, &ClientHeight);
        m_Cell -> Layout(ClientWidth);
        if (ClientHeight < m_Cell -> GetHeight() + GetCharHeight()) {
            SetScrollbars(
                  wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
                  m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
                  (m_Cell -> GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
                  /*cheat: top-level frag is always container*/);
        }
        else { /* we fit into window, no need for scrollbars */
            SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
            GetClientSize(&ClientWidth, &ClientHeight);
            m_Cell -> Layout(ClientWidth); // ...and relayout
        }
    }
}


void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
{
    wxString oldpath;
    wxString tmp;
    int p_fontsizes[7];
    wxString p_fff, p_ffn;

    if (path != wxEmptyString) {
        oldpath = cfg -> GetPath();
        cfg -> SetPath(path);
    }

    m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
    p_fff = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
    p_ffn = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
    for (int i = 0; i < 7; i++) {
        tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
        p_fontsizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
    }
    SetFonts(p_ffn, p_fff, p_fontsizes);

    if (path != wxEmptyString)
        cfg -> SetPath(oldpath);
}


void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
{
    wxString oldpath;
    wxString tmp;

    if (path != wxEmptyString) {
        oldpath = cfg -> GetPath();
        cfg -> SetPath(path);
    }

    cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
    cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
    cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
    for (int i = 0; i < 7; i++) {
        tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
        cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
    }

    if (path != wxEmptyString)
        cfg -> SetPath(oldpath);
}


bool wxHtmlWindow::HistoryBack()
{
    wxString a, l;

    if (m_HistoryPos < 1) return FALSE;

    m_HistoryPos--;

    l = m_History[m_HistoryPos].GetPage();
    a = m_History[m_HistoryPos].GetAnchor();
    m_HistoryOn = FALSE;
    m_tmpCanDrawLocks++;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + "#" + a);
    m_HistoryOn = TRUE;
    wxYield();
    m_tmpCanDrawLocks--;
    Scroll(0, m_History[m_HistoryPos].GetPos());
    Refresh();
    return TRUE;
}


bool wxHtmlWindow::HistoryForward()
{
    wxString a, l;

    if (m_HistoryPos == -1) return FALSE;
    if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;

    m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()

    m_HistoryPos++;
    l = m_History[m_HistoryPos].GetPage();
    a = m_History[m_HistoryPos].GetAnchor();
    m_HistoryOn = FALSE;
    m_tmpCanDrawLocks++;
    if (a == wxEmptyString) LoadPage(l);
    else LoadPage(l + "#" + a);
    m_HistoryOn = TRUE;
    wxYield();
    m_tmpCanDrawLocks--;
    Scroll(0, m_History[m_HistoryPos].GetPos());
    Refresh();
    return TRUE;
}


void wxHtmlWindow::HistoryClear()
{
    m_History.Empty();
    m_HistoryPos = -1;
}


wxList wxHtmlWindow::m_Filters;
wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;

void wxHtmlWindow::CleanUpStatics()
{
    if (m_DefaultFilter) delete m_DefaultFilter;
    m_DefaultFilter = NULL;
    m_Filters.DeleteContents(TRUE);
    m_Filters.Clear();

}


void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
{
    m_Filters.Append(filter);
}


void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
{
    LoadPage(link.GetHref());
}


void wxHtmlWindow::OnDraw(wxDC& dc)
{
    int x, y;
    wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
    int v_y, v_h;

    if (m_tmpCanDrawLocks > 0) return;
    dc.SetMapMode(wxMM_TEXT);
#if defined(_MSC_VER) && (_MSC_VER == 1200)
    ::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
#endif
    dc.SetBackgroundMode(wxTRANSPARENT);
    ViewStart(&x, &y);

    while (upd) {
        v_y = upd.GetY();
        v_h = upd.GetH();
        if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y);
        upd++;
    }
}


void wxHtmlWindow::OnSize(wxSizeEvent& event)
{
    wxScrolledWindow::OnSize(event);
    CreateLayout();
}


void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
{
    int dummy;
    int sty, szy, cliy;

    ViewStart(&dummy, &sty);
    GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
    GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;

    switch (event.KeyCode()) {
        case WXK_PAGEUP :
    case WXK_PRIOR :
                Scroll(-1, sty - cliy);
                break;
        case WXK_PAGEDOWN :
    case WXK_NEXT :
                Scroll(-1, sty + cliy);
                break;
        case WXK_HOME :
                Scroll(-1, 0);
                break;
        case WXK_END :
                Scroll(-1, szy - cliy);
                break;
        case WXK_UP :
                Scroll(-1, sty - 1);
                break;
        case WXK_DOWN :
                Scroll(-1, sty + 1);
                break;
    }
}


void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
{
    m_tmpMouseMoved = TRUE;

    if (event.ButtonDown()) {
        int sx, sy;
        wxPoint pos;
        wxString lnk;

        ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP;
        pos = event.GetPosition();

        if (m_Cell)
            m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event);
    }
}


void wxHtmlWindow::OnIdle(wxIdleEvent& event)
{
    static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);

    if (m_tmpMouseMoved && (m_Cell != NULL)) {
        int sx, sy;
        int x, y;
        wxHtmlLinkInfo *lnk;

        ViewStart(&sx, &sy); sx *= wxHTML_SCROLL_STEP; sy *= wxHTML_SCROLL_STEP;
        wxGetMousePosition(&x, &y);
        ScreenToClient(&x, &y);
        lnk = m_Cell -> GetLink(sx + x, sy + y);

        if (lnk != m_tmpLastLink) {
            if (lnk == NULL) {
                SetCursor(cur_arrow);
                if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
            }
            else {
                SetCursor(cur_hand);
                if (m_RelatedStatusBar != -1) 
                    m_RelatedFrame -> SetStatusText(lnk -> GetHref(), m_RelatedStatusBar);
            }
            m_tmpLastLink = lnk;
        }
        m_tmpMouseMoved = FALSE;
    }
}


IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)

BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
    EVT_SIZE(wxHtmlWindow::OnSize)
    EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
    EVT_MOTION(wxHtmlWindow::OnMouseEvent)
    EVT_IDLE(wxHtmlWindow::OnIdle)
    EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
END_EVENT_TABLE()


// A module to allow initialization/cleanup
// without calling these functions from app.cpp or from
// the user's application.

class wxHtmlWinModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
public:
    wxHtmlWinModule() : wxModule() {}
    bool OnInit() { return TRUE; }
    void OnExit() { wxHtmlWindow::CleanUpStatics(); }
};

IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)


///// default mod handlers are forced there:

FORCE_LINK(m_layout)
FORCE_LINK(m_fonts)
FORCE_LINK(m_image)
FORCE_LINK(m_list)
FORCE_LINK(m_dflist)
FORCE_LINK(m_pre)
FORCE_LINK(m_hline)
FORCE_LINK(m_links)
FORCE_LINK(m_tables)
FORCE_LINK(m_meta)


#endif
Commit	Line	Data
5526e819 VS	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: htmlwin.cpp
	3	// Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation)
	4	// Author: Vaclav Slavik
69941f05	5	// RCS-ID: $Id$
5526e819 VS	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation
	13	#endif
	14
3096bd2f	15	#include "wx/wxprec.h"
5526e819 VS	16
	17	#include "wx/defs.h"
	18	#if wxUSE_HTML
	19
	20	#ifdef __BORDLANDC__
	21	#pragma hdrstop
	22	#endif
	23
	24	#ifndef WXPRECOMP
3096bd2f	25	#include "wx/wx.h"
5526e819 VS	26	#endif
5526e819 VS	27
69941f05	28	#include "wx/html/htmlwin.h"
69941f05	29	#include "wx/html/forcelnk.h"
5526e819	30
5526e819 VS	31
	32
	33	//-----------------------------------------------------------------------------
	34	// wxHtmlWindow
	35	//-----------------------------------------------------------------------------
	36
	37
	38
3096bd2f	39	#include "wx/arrimpl.cpp"
5526e819 VS	40	WX_DEFINE_OBJARRAY(HtmlHistoryArray)
	41
	42
269e8200	43	wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
f3bcfd9b	44	long style, const wxString& name) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL \| wxHSCROLL, name)
5526e819 VS	45	{
5526e819 VS	46	m_tmpMouseMoved = FALSE;
846914d1	47	m_tmpLastLink = NULL;
89de9af3	48	m_tmpCanDrawLocks = 0;
5526e819 VS	49	m_FS = new wxFileSystem();
	50	m_RelatedStatusBar = -1;
	51	m_RelatedFrame = NULL;
	52	m_TitleFormat = "%s";
d5db80c2	53	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819 VS	54	m_Cell = NULL;
	55	m_Parser = new wxHtmlWinParser(this);
	56	m_Parser -> SetFS(m_FS);
	57	SetBorders(10);
	58	m_HistoryPos = -1;
	59	m_HistoryOn = TRUE;
a547ebff	60	m_Style = style;
5526e819 VS	61	SetPage("<html><body></body></html>");
	62	}
	63
	64
	65
	66	wxHtmlWindow::~wxHtmlWindow()
	67	{
	68	HistoryClear();
	69
	70	if (m_Cell) delete m_Cell;
	71
5526e819 VS	72	delete m_Parser;
	73	delete m_FS;
	74	}
	75
	76
	77
	78	void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
	79	{
	80	m_RelatedFrame = frame;
	81	m_TitleFormat = format;
	82	}
	83
	84
	85
	86	void wxHtmlWindow::SetRelatedStatusBar(int bar)
	87	{
	88	m_RelatedStatusBar = bar;
	89	}
269e8200 RD	90
	91
	92
8eb2940f	93	void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
5526e819	94	{
d5db80c2 VS	95	wxString op = m_OpenedPage;
d5db80c2 VS	96
8eb2940f	97	m_Parser -> SetFonts(normal_face, fixed_face, sizes);
fb5700fe	98	SetPage(wxT("<html><body></body></html>")); // fonts changed => contents invalid
d5db80c2	99	if (!op.IsEmpty()) LoadPage(op);
5526e819 VS	100	}
	101
	102
	103
	104	bool wxHtmlWindow::SetPage(const wxString& source)
	105	{
	106	wxClientDC *dc = new wxClientDC(this);
	107
	108	dc -> SetMapMode(wxMM_TEXT);
	109	SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
d5db80c2	110	m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString;
5526e819	111	m_Parser -> SetDC(dc);
f61815af	112	if (m_Cell) {
89de9af3 VS	113	delete m_Cell;
89de9af3 VS	114	m_Cell = NULL;
f61815af	115	}
5526e819 VS	116	m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
5526e819 VS	117	delete dc;
efba2b89 VS	118	m_Cell -> SetIndent(m_Borders, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
efba2b89 VS	119	m_Cell -> SetAlignHor(wxHTML_ALIGN_CENTER);
5526e819	120	CreateLayout();
89de9af3	121	if (m_tmpCanDrawLocks == 0) Refresh();
5526e819 VS	122	return TRUE;
	123	}
	124
	125
	126	bool wxHtmlWindow::LoadPage(const wxString& location)
	127	{
	128	wxFSFile *f;
	129	bool rt_val;
169ee06c VS	130
	131	SetCursor(*wxHOURGLASS_CURSOR);
	132	wxYield();
5526e819	133
89de9af3	134	m_tmpCanDrawLocks++;
5526e819 VS	135	if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
	136	int x, y;
	137	ViewStart(&x, &y);
	138	m_History[m_HistoryPos].SetPos(y);
	139	}
	140
	141	if (location[0] == '#') { // local anchor
	142	wxString anch = location.Mid(1) /1 to end/;
89de9af3	143	m_tmpCanDrawLocks--;
5526e819 VS	144	rt_val = ScrollToAnchor(anch);
	145	}
	146
	147	else {
	148	// load&display it:
	149	if (m_RelatedStatusBar != -1) {
	150	m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
	151	Refresh();
	152	}
	153
	154	f = m_FS -> OpenFile(location);
	155	if (f == NULL) {
	156	wxString err;
	157
f3bcfd9b	158	err.Printf(_("Unable to open requested location :\n\n%s"), WXSTRINGCAST location);
89de9af3	159	m_tmpCanDrawLocks--;
483ff5a5 VS	160	Refresh();
483ff5a5 VS	161	wxMessageBox(err, "Error");
169ee06c VS	162
169ee06c VS	163	SetCursor(*wxSTANDARD_CURSOR);
5526e819 VS	164	return FALSE;
	165	}
	166
	167	else {
	168	wxNode *node;
	169	wxString src = wxEmptyString;
	170
	171	if (m_RelatedStatusBar != -1) {
	172	wxString msg = _("Loading : ") + location;
	173	m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
	174	Refresh();
	175	}
	176
	177	node = m_Filters.GetFirst();
	178	while (node){
	179	wxHtmlFilter h = (wxHtmlFilter) node -> GetData();
	180	if (h -> CanRead(*f)) {
	181	src = h -> ReadFile(*f);
	182	break;
	183	}
	184	node = node -> GetNext();
	185	}
a76015e6	186	if (src == wxEmptyString) {
89de9af3 VS	187	if (m_DefaultFilter == NULL) m_DefaultFilter = GetDefaultFilter();
	188	src = m_DefaultFilter -> ReadFile(*f);
	189	}
5526e819 VS	190
	191	m_FS -> ChangePathTo(f -> GetLocation());
	192	rt_val = SetPage(src);
	193	m_OpenedPage = f -> GetLocation();
	194	if (f -> GetAnchor() != wxEmptyString) {
89de9af3	195	// m_tmpCanDrawLocks--;
5526e819	196	ScrollToAnchor(f -> GetAnchor());
89de9af3	197	// m_tmpCanDrawLocks++;
5526e819 VS	198	}
	199
	200	delete f;
	201
	202	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
	203	}
	204	}
	205
	206	if (m_HistoryOn) { // add this page to history there:
	207	int c = m_History.GetCount() - (m_HistoryPos + 1);
	208
	209	m_HistoryPos++;
	210	for (int i = 0; i < c; i++)
	211	m_History.Remove(m_HistoryPos);
	212	m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
	213	}
	214
169ee06c VS	215	SetCursor(*wxSTANDARD_CURSOR);
169ee06c VS	216
89de9af3 VS	217	wxYield();
89de9af3 VS	218	m_tmpCanDrawLocks--;
5526e819 VS	219	Refresh();
	220	return rt_val;
	221	}
	222
	223
	224
	225	bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
	226	{
efba2b89	227	const wxHtmlCell *c = m_Cell -> Find(wxHTML_COND_ISANCHOR, &anchor);
5526e819 VS	228	if (!c) return FALSE;
	229	else {
	230	int y;
269e8200	231
5526e819	232	for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
efba2b89	233	Scroll(-1, y / wxHTML_SCROLL_STEP);
5526e819 VS	234	m_OpenedAnchor = anchor;
	235	return TRUE;
	236	}
	237	}
	238
	239
d5db80c2	240	void wxHtmlWindow::OnSetTitle(const wxString& title)
5526e819 VS	241	{
	242	if (m_RelatedFrame) {
	243	wxString tit;
	244	tit.Printf(m_TitleFormat, title.c_str());
	245	m_RelatedFrame -> SetTitle(tit);
	246	}
d5db80c2	247	m_OpenedPageTitle = title;
5526e819 VS	248	}
	249
	250
	251
	252
	253
	254	void wxHtmlWindow::CreateLayout()
	255	{
	256	int ClientWidth, ClientHeight;
	257
	258	if (!m_Cell) return;
a547ebff VS	259
a547ebff VS	260	if (m_Style == wxHW_SCROLLBAR_NEVER) {
08d038e7	261	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // always off
a547ebff VS	262	GetClientSize(&ClientWidth, &ClientHeight);
	263	m_Cell -> Layout(ClientWidth);
	264	}
	265
	266	else {
	267	GetClientSize(&ClientWidth, &ClientHeight);
d54ed754 VS	268	#ifndef __WXMSW__
d54ed754 VS	269	// VS : this looks extremely ugly under windoze, better fix needed!
08d038e7	270	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, ClientHeight * 2); // always on
d54ed754	271	#endif
a547ebff VS	272	GetClientSize(&ClientWidth, &ClientHeight);
a547ebff VS	273	m_Cell -> Layout(ClientWidth);
f3bcfd9b VS	274	if (ClientHeight < m_Cell -> GetHeight() + GetCharHeight()) {
	275	SetScrollbars(
	276	wxHTML_SCROLL_STEP, wxHTML_SCROLL_STEP,
	277	m_Cell -> GetWidth() / wxHTML_SCROLL_STEP,
	278	(m_Cell -> GetHeight() + GetCharHeight()) / wxHTML_SCROLL_STEP
	279	/cheat: top-level frag is always container/);
a547ebff	280	}
89de9af3	281	else { /* we fit into window, no need for scrollbars */
08d038e7	282	SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell -> GetWidth() / wxHTML_SCROLL_STEP, 0); // disable...
89de9af3 VS	283	GetClientSize(&ClientWidth, &ClientHeight);
	284	m_Cell -> Layout(ClientWidth); // ...and relayout
	285	}
a547ebff	286	}
5526e819 VS	287	}
5526e819 VS	288
269e8200	289
5526e819 VS	290
	291	void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
	292	{
	293	wxString oldpath;
	294	wxString tmp;
d5db80c2 VS	295	int p_fontsizes[7];
d5db80c2 VS	296	wxString p_fff, p_ffn;
5526e819 VS	297
	298	if (path != wxEmptyString) {
	299	oldpath = cfg -> GetPath();
	300	cfg -> SetPath(path);
	301	}
	302
	303	m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
d5db80c2 VS	304	p_fff = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
d5db80c2 VS	305	p_ffn = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
5526e819	306	for (int i = 0; i < 7; i++) {
66a77a74	307	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
d5db80c2	308	p_fontsizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
5526e819	309	}
8eb2940f	310	SetFonts(p_ffn, p_fff, p_fontsizes);
5526e819 VS	311
	312	if (path != wxEmptyString)
	313	cfg -> SetPath(oldpath);
	314	}
	315
	316
	317
	318	void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
	319	{
	320	wxString oldpath;
	321	wxString tmp;
	322
	323	if (path != wxEmptyString) {
	324	oldpath = cfg -> GetPath();
	325	cfg -> SetPath(path);
	326	}
	327
	328	cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
	329	cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
	330	cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
5526e819	331	for (int i = 0; i < 7; i++) {
66a77a74	332	tmp.Printf(wxT("wxHtmlWindow/FontsSize%i"), i);
5526e819 VS	333	cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
	334	}
	335
	336	if (path != wxEmptyString)
	337	cfg -> SetPath(oldpath);
	338	}
	339
	340
	341
	342	bool wxHtmlWindow::HistoryBack()
	343	{
	344	wxString a, l;
	345
	346	if (m_HistoryPos < 1) return FALSE;
	347
	348	m_HistoryPos--;
	349
	350	l = m_History[m_HistoryPos].GetPage();
	351	a = m_History[m_HistoryPos].GetAnchor();
	352	m_HistoryOn = FALSE;
89de9af3	353	m_tmpCanDrawLocks++;
5526e819 VS	354	if (a == wxEmptyString) LoadPage(l);
	355	else LoadPage(l + "#" + a);
	356	m_HistoryOn = TRUE;
c88293a4	357	wxYield();
89de9af3	358	m_tmpCanDrawLocks--;
c88293a4	359	Scroll(0, m_History[m_HistoryPos].GetPos());
5526e819 VS	360	Refresh();
	361	return TRUE;
	362	}
	363
	364
	365
	366	bool wxHtmlWindow::HistoryForward()
	367	{
	368	wxString a, l;
	369
	370	if (m_HistoryPos == -1) return FALSE;
	371	if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
	372
	373	m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
	374
	375	m_HistoryPos++;
	376	l = m_History[m_HistoryPos].GetPage();
	377	a = m_History[m_HistoryPos].GetAnchor();
	378	m_HistoryOn = FALSE;
89de9af3	379	m_tmpCanDrawLocks++;
5526e819 VS	380	if (a == wxEmptyString) LoadPage(l);
	381	else LoadPage(l + "#" + a);
	382	m_HistoryOn = TRUE;
c88293a4	383	wxYield();
89de9af3	384	m_tmpCanDrawLocks--;
c88293a4	385	Scroll(0, m_History[m_HistoryPos].GetPos());
5526e819 VS	386	Refresh();
	387	return TRUE;
	388	}
	389
	390
	391
	392	void wxHtmlWindow::HistoryClear()
	393	{
	394	m_History.Empty();
	395	m_HistoryPos = -1;
	396	}
	397
	398
	399
	400	wxList wxHtmlWindow::m_Filters;
a76015e6 VS	401	wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL;
	402
	403	void wxHtmlWindow::CleanUpStatics()
	404	{
	405	if (m_DefaultFilter) delete m_DefaultFilter;
	406	m_DefaultFilter = NULL;
269e8200 RD	407	m_Filters.DeleteContents(TRUE);
	408	m_Filters.Clear();
	409
a76015e6 VS	410	}
	411
	412
5526e819 VS	413
	414	void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
	415	{
5526e819 VS	416	m_Filters.Append(filter);
	417	}
	418
	419
	420
	421
0b2dadd3	422	void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
5526e819	423	{
0b2dadd3	424	LoadPage(link.GetHref());
5526e819 VS	425	}
	426
	427
	428
	429	void wxHtmlWindow::OnDraw(wxDC& dc)
	430	{
	431	int x, y;
	432	wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
	433	int v_y, v_h;
	434
89de9af3	435	if (m_tmpCanDrawLocks > 0) return;
5526e819 VS	436	dc.SetMapMode(wxMM_TEXT);
	437	#if defined(_MSC_VER) && (_MSC_VER == 1200)
	438	::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
	439	#endif
	440	dc.SetBackgroundMode(wxTRANSPARENT);
	441	ViewStart(&x, &y);
	442
	443	while (upd) {
	444	v_y = upd.GetY();
	445	v_h = upd.GetH();
efba2b89	446	if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * wxHTML_SCROLL_STEP + v_y, y * wxHTML_SCROLL_STEP + v_h + v_y);
5526e819 VS	447	upd++;
	448	}
	449	}
	450
	451
	452
	453
	454	void wxHtmlWindow::OnSize(wxSizeEvent& event)
	455	{
	456	wxScrolledWindow::OnSize(event);
	457	CreateLayout();
	458	}
	459
	460
	461
	462	void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
	463	{
	464	int dummy;
	465	int sty, szy, cliy;
	466
	467	ViewStart(&dummy, &sty);
efba2b89 VS	468	GetClientSize(&dummy, &cliy); cliy /= wxHTML_SCROLL_STEP;
efba2b89 VS	469	GetVirtualSize(&dummy, &szy); szy /= wxHTML_SCROLL_STEP;
5526e819 VS	470
	471	switch (event.KeyCode()) {
	472	case WXK_PAGEUP :
	473	case WXK_PRIOR :
	474	Scroll(-1, sty - cliy);
	475	break;
	476	case WXK_PAGEDOWN :
	477	case WXK_NEXT :
	478	Scroll(-1, sty + cliy);
	479	break;
	480	case WXK_HOME :
	481	Scroll(-1, 0);
	482	break;
	483	case WXK_END :
	484	Scroll(-1, szy - cliy);
	485	break;
	486	case WXK_UP :
	487	Scroll(-1, sty - 1);
	488	break;
	489	case WXK_DOWN :
	490	Scroll(-1, sty + 1);
	491	break;
	492	}
	493	}
	494
	495
	496
	497	void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
	498	{
	499	m_tmpMouseMoved = TRUE;
	500
	501	if (event.ButtonDown()) {
	502	int sx, sy;
	503	wxPoint pos;
	504	wxString lnk;
	505
efba2b89	506	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	507	pos = event.GetPosition();
	508
	509	if (m_Cell)
0b2dadd3	510	m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event);
5526e819 VS	511	}
	512	}
	513
	514
	515
	516	void wxHtmlWindow::OnIdle(wxIdleEvent& event)
	517	{
	518	static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
	519
	520	if (m_tmpMouseMoved && (m_Cell != NULL)) {
	521	int sx, sy;
	522	int x, y;
846914d1	523	wxHtmlLinkInfo *lnk;
5526e819	524
efba2b89	525	ViewStart(&sx, &sy); sx = wxHTML_SCROLL_STEP; sy = wxHTML_SCROLL_STEP;
5526e819 VS	526	wxGetMousePosition(&x, &y);
	527	ScreenToClient(&x, &y);
	528	lnk = m_Cell -> GetLink(sx + x, sy + y);
	529
622ea783	530	if (lnk != m_tmpLastLink) {
846914d1	531	if (lnk == NULL) {
622ea783 VS	532	SetCursor(cur_arrow);
	533	if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
	534	}
	535	else {
	536	SetCursor(cur_hand);
846914d1 VS	537	if (m_RelatedStatusBar != -1)
846914d1 VS	538	m_RelatedFrame -> SetStatusText(lnk -> GetHref(), m_RelatedStatusBar);
622ea783 VS	539	}
622ea783 VS	540	m_tmpLastLink = lnk;
5526e819 VS	541	}
	542	m_tmpMouseMoved = FALSE;
	543	}
	544	}
	545
	546
	547
	548
	549	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
	550
	551	BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
	552	EVT_SIZE(wxHtmlWindow::OnSize)
	553	EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
	554	EVT_MOTION(wxHtmlWindow::OnMouseEvent)
	555	EVT_IDLE(wxHtmlWindow::OnIdle)
	556	EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
	557	END_EVENT_TABLE()
	558
	559
	560
	561
	562
a76015e6 VS	563	// A module to allow initialization/cleanup
	564	// without calling these functions from app.cpp or from
	565	// the user's application.
	566
	567	class wxHtmlWinModule: public wxModule
	568	{
	569	DECLARE_DYNAMIC_CLASS(wxHtmlWinModule)
	570	public:
	571	wxHtmlWinModule() : wxModule() {}
	572	bool OnInit() { return TRUE; }
	573	void OnExit() { wxHtmlWindow::CleanUpStatics(); }
	574	};
	575
	576	IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule)
	577
5526e819 VS	578
	579
	580
	581	///// default mod handlers are forced there:
	582
c88293a4 VS	583	FORCE_LINK(m_layout)
	584	FORCE_LINK(m_fonts)
	585	FORCE_LINK(m_image)
	586	FORCE_LINK(m_list)
	587	FORCE_LINK(m_dflist)
	588	FORCE_LINK(m_pre)
	589	FORCE_LINK(m_hline)
	590	FORCE_LINK(m_links)
	591	FORCE_LINK(m_tables)
fa146dd7	592	FORCE_LINK(m_meta)
5526e819 VS	593
5526e819 VS	594
483ff5a5	595	#endif